Transmission / Receiving Protocol - HP LD4200tm User Manual

28. On Timer (On/Off Timer) Time
29. Off Timer (On/Off Timer) Time
30. Sleep Time
31. Auto Sleep
32. Power On Delay
33. Language
34. DPM Select
35. Reset
36. S/W Version
37. Input Select

Transmission / Receiving Protocol

Transmission
[Command1][Command2][ ][Set ID][ ][Data][Cr]
*[Command 1]: First command. (k)
*[Command 2]: Second command.(a ~ u)
*[Set ID]: Set up the Set ID number of product.
range : 01H~63H. by setting '00H', server can control all products.
* In case of operating with more than 2 sets using set ID as '0' at the same time, it should not check
the ack message.
Because all sets will send the ack message, so it's impossible to check the whole ack messages.
*[DATA]: To transmit command data.
Transmit 'FF' data to read status of command.
*[Cr]: Carriage Return
ASCII code '0x0D'
*[ ]: ASCII code Space (0x20)'
OK Acknowledgement
[Command2][ ][Set ID][ ][OK][Data][x]
*The Product transmits ACK (acknowledgement) based on this format when receiving normal data. At
this time, if the data is in data read mode, it indicates present status data.
If the data is in data write mode, it returns the data of the media player/computer.
46 Appendix C Controlling the Multiple Product
COMMAND1
f
f
f
f
f
f
f
f
f
x
'
'
COMMAND2 DATA1
d 00H -07H
e 00H -07H
f 00H -08H
g 00H -01H
h 00H -64H
i 00H -09H
j 00H -01H
k 00H -02H
z FFH
b 20H -A0H
DATA2 DATA3
00H - 17H 00 - 3BH
00H - 17H 00 - 3BH
ENWW